Chevere673 Chevere673

22-07-2014
Mathematics

contestada

x+y=10 , x+z=20 , y+z=24, x+y+z=???
and why??

Respuesta :

Аноним Аноним

23-07-2014

[tex]+\left\{\begin{array}{ccc}x+y=10\\x+z=20\\y+z=24\end{array}\right\ \ \ \ \ add\ both\ sides\\----------\\2x+2y+2x=54\ \ \ \ |divide\ both\ sides\ by\ 2\\\\x+y+z=27[/tex]

Answer Link

Otras preguntas

What does the speaker of “The Raven” have in common with the poet Edgar Allan Poe? Both the speaker and Poe suffered mental anguish and misery on losing their

Why did Gregor Mendel choose to use purebred plants in his experiments?

Citizens of the United States can vote when they turn this age. a. 16 c. 21 b. 18 d. 25

Which of the following accurately describes kidney function? A. Kidneys will excrete salts if you have too little in your blood. B. Kidneys are directed by the

En que oracion puedo usar mean

Explain why is the sky blue? When you got to space, the sky is black but if you look at sky from earth, it looks blue. Why is the sky blue and how does the colo

y – x² = 4.5 and y = x^4 Is this function linear or non linear? Also show work and explain why.

Which of these adjectives best defines an interlude? Please Help!! spiritual instructive witty bawdy somber

three locations where new Greek colonies began:

Calvin fishes from a dock that is 85 inches long. Which of the following is equal to 85 inches? a. 2 yd 12 ft 1in. b. 2 yd 1ft 1in. c. 1 yd 3 ft 1in. d. 1 yd